LONDON – Circa 1972: Photo of PINK FLOYD; L-R: backing singers, Dave Gilmour (David Gilmour) (guitar), Nick Mason (drums), Roger Waters (bass), Dick Parry, Rick Wright (keys) performing live onstage on "Dark Side of the Moon" Tour (Photo by David Redfern/Redferns)
Dave Gilmour from the band Pink Floyd on stage at "Live 8 London" in Hyde Park on July 2, 2005 in London, England. The free concert is one of ten simultaneous international gigs including Philadelphia, Berlin, Rome, Paris, Barrie, Tokyo, Cornwall, Moscow and Johannesburg. The concerts precede the G8 summit (July 6-8) to raising awareness for MAKEpovertyHISTORY. (Photo by MJ Kim/Getty Images)
UNITED KINGDOM – CIRCA 1973: Pink Floyd, (L-R: Nick Mason, Dave Gilmour, Roger Waters and Rick Wright) pose for a publicity shot circa 1973. (Photo by Michael Ochs Archives/Getty Images)
LOS ANGELES – AUGUST 1968: Psychedelic rock group Pink Floyd pose for a portrait shrouded in pink in August of 1968 in Los Angeles. (L-R) Nick Mason, Dave Gilmour, Rick Wright (center front), Roger Waters. (Photo by Michael Ochs Archives/Getty Images)
Dave Gilmour from the band Pink Floyd on stage at "Live 8 London" in Hyde Park on July 2, 2005 in London, England. The free concert is one of ten simultaneous international gigs including Philadelphia, Berlin, Rome, Paris, Barrie, Tokyo, Cornwall, Moscow and Johannesburg. The concerts precede the G8 summit (July 6-8) to raising awareness for MAKEpovertyHISTORY. (Photo by MJ Kim/Getty Images)